California Code, Health and Safety Code - HSC § 25547.6

(a) Each rail carrier shall provide the office with a summary of the rail carrier's hazardous materials emergency response plan. The rail carrier's hazardous materials emergency response plan summary shall not be posted on a public Internet Web site.

(b) The office shall provide a copy of each summary report of a rail carrier's hazardous materials emergency response plan to each unified program agency, as defined in Section 25501, when the office determines a unified program agency area of responsibility may be impacted by a rail carrier spill of hazardous material or oil cargo. The provision of the summary report of a rail carrier's hazardous materials emergency response plan shall comply with Part 15 (commencing with Section 15.1), Part 1520 (commencing with Section 1520.1), and Part 172 (commencing with Section 172.1) of Title 49 of the Code of Federal Regulations and Section 11904 of Title 49 of the United States Code.